Americans are optimistic about the long-term prospects for the next 50 years of technological and scientific advances, according to a survey of 1,001 people by the Pew Research Center in February, but more nervous about the immediate future. Read more

Before he invented Pintofeed, a smartphone-enabled pet food dispenser, Carlos Herrera made drones. How far morality played a role in his decision to move out of the drone business isn’t clear but there were, at least, other factors. People spend $100bn a year on pets globally, while commercial drones – the kind that don’t spy on or kill people – remain an unproven market proposition.

IBM claim that they have finally broken one of the most frustrating trends in computing history – that the number of transistors that can be placed inexpensively on an integrated circuit doubles approximately every two years, known as Moore’s Law – by creating a memory bit about 100 times more dense than current memory systems. Read more

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Richard Waters, Tim Bradshaw, Hannah Kuchler and Sarah Mishkin in the FT's San Francisco bureau share their views - plus tech insights from Robert Cookson and Chris Nuttall in London.

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About the authors

Richard Waters has headed the FT's San Francisco bureau since 2002 and covers Google and Microsoft, among other things. A former New York bureau chief for the FT, he is intrigued by Silicon Valley's unique financial and business culture, and is looking forward to covering his second Tech Bust.

Chris Nuttall has been online and messing around with computers for more than 20 years. He reported from the FT's San Francisco bureau on semiconductors, video games, consumer electronics and all things interwebby from 2004 to 2013, before returning to London.

Tim Bradshaw is the FT's digital media correspondent, and has just moved from London to join our team in San Francisco. He has covered start-ups such as Twitter and Spotify, as well as the online ambitions of more established media companies, such as the BBC iPlayer. He also covers the advertising, marketing and video-game industries. Tim has been writing about technology, business and finance since 2003.

Robert Cookson is the FT's digital media correspondent in London. He
covers digital enterprise in media, from the music industry to local newspapers and social networks such as Facebook and Twitter. A former Hong Kong markets correspondent, he is interested in the interplay
between old media and new technologies.

Hannah Kuchler writes about technology and Silicon Valley from the FT's San Francisco bureau. She covers social media including Facebook and Twitter and the dark and mysterious world of cybersecurity. Hannah has worked for the FT in London, Hong Kong and New York, reporting on everything from British politics to the Chinese internet.

Sarah Mishkin in a correspondent in San Francisco, where she covers payments, e-commerce, and political news on the West Coast. Prior to California, she has worked as an FT reporter in New York, London, Abu Dhabi, Hong Kong, and most recently in Taiwan, where she covered Chinese internet companies, semiconductors, and tech supply chains.